May 20, 2022
Equities Notice 2022-011
TMX Equity Trading Notice
FIX Test Request ID Field Length Enhancement
FIX Test Request ID Field Length Enhancement
TMX Equities is announcing a technical update to existing Test Request and Heartbeat messages to support up to 30 characters in the field TestReqID (tag value 112). On Test Requests initiated by the exchange, exchange systems will continue to send 8 character TestRequestID values and client systems should continue to echo these values back on the responding Heartbeat. On Test Requests initiated by clients, client systems may send up to 30 character TestRequestID values and exchange systems will echo these values back on the responding Heartbeat.
We anticipate that the Test Request update will be available for testing within the GTE environment effective June 20th, 2022 and is expected to be available within the production environment on August 22nd, 2022.
Technical Implementation Details
The FIX Order Entry Specification has been updated with these Field lengths for this new feature. Please see the new specification if you need more details about the modifications.
|
Specification |
Tag |
Field Name |
Comments |
|
FIX Order Entry |
112 |
TestReqID: Exch → Client 1*8Alphanumeric TestReqID: Client → Exch 1*30Alphanumeric |
Now supporting 30 characters and exchanges will echo the value back on the corresponding heartbeat message. When a test request is generated by the exchange, the length will remain 8 characters. |
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